[INFO] fetching crate sanakirja 0.12.1...
[INFO] checking sanakirja-0.12.1 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate sanakirja 0.12.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sanakirja 0.12.1 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sanakirja 0.12.1
[INFO] finished tweaking crates.io crate sanakirja 0.12.1
[INFO] tweaked toml for crates.io crate sanakirja 0.12.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a2ebb476e315ad4d1e5a25cd964cd1b714d423d930178fa6968a3821ec68996
[INFO] running `"docker" "start" "-a" "4a2ebb476e315ad4d1e5a25cd964cd1b714d423d930178fa6968a3821ec68996"`
[INFO] [stderr]     Checking sanakirja v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/del.rs:303:32
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 let (k0, v0) = { unsafe { skiplist::read_key_value::<_, K, V>(&page0, ptr0) } };
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]     --> src/lib.rs:1824:34
[INFO] [stderr]      |
[INFO] [stderr] 1824 | pub const MAX_RECORD_SIZE: u16 = ((PAGE_SIZE as u16 - BINDING_HEADER_SIZE) >> 2);
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/del.rs:303:32
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 let (k0, v0) = { unsafe { skiplist::read_key_value::<_, K, V>(&page0, ptr0) } };
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]     --> src/lib.rs:1824:34
[INFO] [stderr]      |
[INFO] [stderr] 1824 | pub const MAX_RECORD_SIZE: u16 = ((PAGE_SIZE as u16 - BINDING_HEADER_SIZE) >> 2);
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_skiplist`
[INFO] [stderr]    --> src/skiplist.rs:606:8
[INFO] [stderr]     |
[INFO] [stderr] 606 | pub fn print_skiplist<T: LoadPage, K: Representable, V: Representable>(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `"docker" "inspect" "4a2ebb476e315ad4d1e5a25cd964cd1b714d423d930178fa6968a3821ec68996"`
[INFO] running `"docker" "rm" "-f" "4a2ebb476e315ad4d1e5a25cd964cd1b714d423d930178fa6968a3821ec68996"`
[INFO] [stdout] 4a2ebb476e315ad4d1e5a25cd964cd1b714d423d930178fa6968a3821ec68996